CVS log for epic4/source/alist.c

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* Rename 'dcc()' to 'dcc_cmd()' so we can use dcc as variable
* Garbage collect unused 'irc_path' global variable.
* Add --with-warns to configure to do FreeBSD "WARNS" like compiler checks
* Many hundreds of changes to improve the "quality of code" in epic, including:
* - Treat all literal strings as (const char *) and fix const correctness.
* - Mopping up all remaining const-correctness issues
* - Do not "launder" a (const char *) to a (char *) in string searches, (ala
    strchr) but rather return a ssize_t offset value.
* - Particular, MatchingBracket() returns (ssize_t) and not (char *).
* - Eliminate all "shadow" variable names by changing them to something else.
* - Eliminate most function decls that do not include a prototype list.
* - Add prototypes for all extern functions that are missing them.
* - Ensure most function pointers include a prototype list.
* - In term.c, most of those (char *)'s are really (const char *)'s.
* - Explicitly specify 'static' functions as 'static'
* - Ensure every function is either 'static' or has a prototype.
* - Eliminate (unsigned) < (signed) type comparisons.
* Hopefully you should not notice any changes!

Update copyright notices and copyright dates.

I'm going to start sweeping the entire source, adding the official
copyright notice to each file (like ircII does already), and making
sure that the /* $EPIC$ */ thingee is at the top of the file.  This is
my first swath of files.

* Rolled the $getsets() and $getcommands() code into macros and added
  $getfunctions().
* Added a server_established hook.  This is called before anything is sent
  to the server, and it is intended that for ssl connections, stuff can be
  quoted and hooked in plain text until the hook returns, although, it is
  difficult to verify that this will actually work.
* Made it so that when all variables are erased, the low level array that
  contains the variables is erased.  This is intended to make it easier to
  profile the memory use.
* Copyright notice added to perl.c.
* Minor stuff for tabkey.ce.

* Enhanced flood checking to keep records based on userhost rather than
  nick.  Not designed to catch clones but to make it harder to avoid.
* Flood checking keeps its time in microseconds now, which _may_ make it
  a little hyperactive on occasions.
* Small re-arrangement to find_array_item() to make it slightly faster.
* Terminology fix in /alias /s.
* Added $regmatches() which works exactly like $regexec, but returns pairs
  of numbers which can be applied to $mid() to extract the matched strings
  and substrings from the original string.  It also takes a new second
  argument indicating the maximum number of subexpressions to return.
* New -file option to /lastlog.  If given, all output will be written to
  the file rather than the screen.  file_put_it() may be questionable.
* $channel() will return "h" in the op field if the user is a half-op.

* Optimised the search algorithms that apply to /foreach and aliasctls
  match function.
* Altered $uh() in script/guh to use the cached variables from $userhost()
  where possible.  Perhaps it's a better idea to add a new function?
* Bugfix to deban.

* Minor optimisation to find_array_item().
* Fix to the "rolling nick" bug occasionally seen for lagged users.

Rewrote find_array_item to remove the linear search.

Two patches applied, aka, the string and perl patches.

The perl patch adds perl support via three perl functions.

The string patch:
  * Rewrites new_realloc to more closely resemble new_realloc in its
    interface, and in that it calls realloc directly.
  * Adds an argument to the 3cat functions that permits it to seek
    directly to the end of the string.  Designed to improve performance.
  * Alters a few things to use the above.
  * Tunes a few other string functions in ircaux.c.
  * Rewrites $uniq() for performance reasons.
  * Removes the part of $jot() that preallocates the string.  I feel a
    little guilty about this somehow though it seems to have absolutely
    no effect on performance anymore.

Initial import into CVS

Initial revision